Contractor profile
OSUNG ENGINEERING
Active registration
UEIDWM3WAA3LG11
CAGE code643KF
Primary NAICS238220
LocationPYEONGTAEK-SI, GYEONGGI-DO, 17767
Federal obligations$2M
Prime awards7
Active awards4
Latest award actionApr 23, 2026
Federal award activity
Public award recordTop federal customers
- Department of Defense1 awards$2M
- Department of State6 awards$295,580
NAICS award mix
- 8113107 awards$2M
PSC award mix
- J0411 awards$2M
- Z1NB3 awards$157,782
- Z1FA1 awards$106,950
- Z2PZ1 awards$22,249
- 53401 awards$8,600
Contract vehicles
No supported records are available yet.
Potential recompetes
- Department of State$31,453
- Department of State$102,622
- Department of Defense$2M
- Department of State$23,708
Prime award history
| Award | Agency / office | Category | Value | Dates |
|---|---|---|---|---|
| 19KS7026P0370GEOTHERMAL HVAC PMSC, EMERGENCY REPAIR SERVICE | Department of StateU.S. EMBASSY SEOUL | NAICS 811310PSC Z1NB | $102,622 | Apr 23, 2026 – May 30, 2028 |
| 19KS7023P0252CHILLER PM SERVICES FOR JUSMAG-K AND PCC | Department of StateU.S. EMBASSY SEOUL | NAICS 811310PSC Z1NB | $31,453 | Apr 12, 2023 – Apr 30, 2027 |
| 19KS7026P0373PMSC FOR HVAC SYSTEMS, ANNEX ROOFTOP UNITS | Department of StateU.S. EMBASSY SEOUL | NAICS 811310PSC Z1NB | $23,708 | Apr 17, 2026 – Apr 30, 2031 |
| W912UM24C0004HVAC AND REFRIGERATION MAINTENANCE | Department of DefenseW2SN ENDIST FAR EAST | NAICS 811310PSC J041 | $2M | Feb 7, 2024 – Aug 6, 2029 |
| 19KS7026P0156FAC: (TRANE) HAVC REPAIR PARTS FOR YEH | Department of StateU.S. EMBASSY SEOUL | NAICS 811310PSC 5340 | $8,600 | Dec 8, 2025 – Feb 28, 2026 |
| 19KS7025P0416PREVENTIVE MAINTENANCE SERVICE FOR THE HVAC SYSTEMS, ANNEX ROOFTOP UNITS | Department of StateU.S. EMBASSY SEOUL | NAICS 811310PSC Z2PZ | $22,249 | Apr 28, 2025 – Apr 30, 2026 |
| 19KS7025P0336MAINTENANCE OF GEOTHERMAL HVAC SYSTEMS, CMR AND YEH | Department of StateU.S. EMBASSY SEOUL | NAICS 811310PSC Z1FA | $106,950 | Mar 30, 2025 – Mar 31, 2026 |
Award links and obligation totals come from USAspending.gov public records.
Industries and classifications
NAICS 238210Electrical Contractors and Other Wiring Installation ContractorsNAICS 238220Plumbing, Heating, and Air-Conditioning ContractorsNAICS 238290Other Building Equipment ContractorsNAICS 238910Site Preparation ContractorsNAICS 326191Plastics Plumbing Fixture ManufacturingNAICS 541513Computer Facilities Management ServicesNAICS 561210Facilities Support ServicesNAICS 561720Janitorial ServicesNAICS 561730Landscaping ServicesNAICS 811111General Automotive RepairNAICS 811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
Public points of contact
HYOUNG WOO CHOEREPRESENTATIVEGovernment business
HYOUNG WOO CHOEREPRESENTATIVEElectronic business
Names and titles are reproduced from the public registration. FedRoster does not guess or enrich personal contact details.